APA (7th ed.) Citation

United States. National Park Service. (2018). Yellowstone, Yellowstone National Park, Idaho / Montana / Wyoming (Unified English Braille transcription edition.). National Park Service, Harpers Ferry Center.

Chicago Style (17th ed.) Citation

United States. National Park Service. Yellowstone, Yellowstone National Park, Idaho / Montana / Wyoming. Unified English Braille transcription edition. Harpers Ferry, WV: National Park Service, Harpers Ferry Center, 2018.

MLA (8th ed.) Citation

United States. National Park Service. Yellowstone, Yellowstone National Park, Idaho / Montana / Wyoming. Unified English Braille transcription edition. National Park Service, Harpers Ferry Center, 2018.